Description

The Pentair R161178 is the number 2 pH test solution, supplied in a 1 oz bottle. It is the reagent you add to a water sample to read pH.

Why the reading matters

pH is the first number to get right in a pool. Water that drifts too far in either direction irritates swimmers, works on plaster, grout and metal parts, and stops the sanitizer doing its job properly. Testing regularly is what tells you which way the water is moving before it becomes a problem.

A refill, not a kit

This listing is the solution alone. It suits anyone who already owns the test kit and simply needs the number 2 bottle topped back up.